NEC P462 User Manual

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 Internal/External speaker switch
Switch to turn internal speaker/external speaker.
: Internal speaker   
: External speaker.
NOTE: Please power off the monitor when you use the 
Internal/External speaker switch.
 Kensington Lock
For security and theft prevention.
 Option board slot
Slot 1 and slot 2 type accessories are available. Please 
contact your supplier for detailed information.
NOTE: Please contact your supplier for available option 
board.
NOTE: When you use slot 2 type option board, you need to 
install it with the optional “SB-02AM” adapter.
 Internal speaker
* BNC input signal